Buenos Aires vs Lima
In short
Calculated from the figures below, with no overall “who wins” score.
Rent
✓in Buenos Aires cheaper — −18%
Family budget
✓in Lima cheaper — −37%
Health insurance
✓in Lima cheaper — −82%
In numbers
Exchange rate as of the date each figure was checked.
House or apartment rent
per month✓Buenos Aires≈ $752–899ARS 1,176,184–1,406,326cheaper by 18%Lima≈ $734–1,270S/ 2,509–4,345Piped gas
✓Buenos Aires≈ $0.2 per m³ARS 316.16 per m³cheaper by 60%Lima≈ $0.5 per m³S/ 1.73 per m³Family groceries
per monthBuenos Aires≈ $630ARS 985,617✓Lima≈ $359S/ 1,228cheaper by 43%Family budget
per monthBuenos Aires≈ $1,060ARS 1,651,798✓Lima≈ $665S/ 2,272cheaper by 37%Internet
per month✓Buenos Aires≈ $8.95–23ARS 13,999–35,774cheaper by 54%Lima≈ $29–41S/ 99–139Private school
per month✓Buenos Aires≈ $28–190ARS 44,300–296,700cheaper by 88%Lima≈ $468–1,290S/ 1,600–4,426Health insurance
per monthBuenos Aires≈ $70–179ARS 110–280k✓Lima≈ $11–34S/ 39–115cheaper by 82%Winter
averageBuenos Aires12 °C12 °CLima15–18 °C15–18 °CPrecipitation
per yearBuenos Aires1,260 mm1,260 mmLima13 mm13 mmReady-made house
purchase✓Buenos Aires$151–200k$151–200kcheaper by 15%Lima$151k – 260,500$151k – 260,500
By topic
A quick look at each city. Details and sources are on the city page.
Housing
Buenos Aires
A building maintenance fee: on average 337k pesos a month, on top of rent. For a three-room flat in Palermo, about 300k.
SpecialistLa Nacion: expensas in Buenos Aires, ConsorcioAbierto data on ~13,000 buildings · checked 28 Sep 2026
A flat with two bedrooms: Caballito 1.18 million pesos a month, Palermo 1.31 million, Núñez 1.41 million. Expensas on top.
OfficialIDECBA - Dynamics of the apartment rental market, Buenos Aires, Q2 2026 (Informe de resultados 2049) · checked 28 Sep 2026
A studio (monoambiente, about 30 m²) averages 565,658 pesos a month; a one-bedroom of 43 m² averages 764,485 pesos. Small flats vary little between barrios.
OfficialIDECBA - Dynamics of the apartment rental market, Buenos Aires, Q2 2026 (Informe de resultados 2049) · checked 28 Sep 2026
Three quarters of listings are homes with one bedroom at most. A family with two children can use about a quarter of the market.
OfficialIDECBA - Dynamics of the apartment rental market, Buenos Aires, Q2 2026 (Informe de resultados 2049) · checked 28 Sep 2026
Lima
A 100 m² three-bedroom apartment: Barranco 4345 soles a month, San Isidro 4182, Miraflores 3864, Surco 3070, La Molina 2509 (July 2026).
SpecialistInfobae: Urbania Index, apartment rents by district of Lima, July 2026 · checked 29 Sep 2026
Apartment price per m²: San Isidro 2605 dollars, Barranco 2556, Miraflores 2464, Surco 1818, La Molina 1510 (Q1 2026, central bank BCRP).
OfficialBCRP: apartment sale prices by district of Lima, dollars per m², Q1 2025 - Q1 2026 · checked 29 Sep 2026
Money and prices
Buenos Aires
The city's basket for a family with two children is 2.08 million pesos a month, but without rent. With the rent of a three-room flat it comes to 3.3–3.5 million.
OfficialIDECBA - Poverty lines and consumer baskets of the City of Buenos Aires, August 2026 (Informe de resultados 2054) · checked 28 Sep 2026
The food basket for a family of four is 985,617 pesos a month at city prices (August 2026). Up 34.7% over the year.
OfficialIDECBA - Poverty lines and consumer baskets of the City of Buenos Aires, August 2026 (Informe de resultados 2054) · checked 28 Sep 2026
Middle class by the city's yardstick starts at 2.6 million pesos for a family of four, and that is with owned housing.
OfficialIDECBA - Poverty lines and consumer baskets of the City of Buenos Aires, August 2026 (Informe de resultados 2054) · checked 28 Sep 2026
Lima
The INEI minimum food basket for Lima is 307 soles per person a month, about 1228 for a family of four. Figures for 2025.
OfficialINEI: Perú, evolución de la pobreza monetaria 2016-2025 · checked 29 Sep 2026
A family of four in Lima counts as poor at spending below 2272 soles a month. The average Lima resident spends 1014 soles, about 4056 for four.
OfficialINEI: Perú, evolución de la pobreza monetaria 2016-2025 · checked 29 Sep 2026
Family and kids
Buenos Aires
Fee ceilings in schools with state support: primary (half-day) 44–224k pesos a month, secondary 55–297k.
SpecialistiProfesional - new fee caps in CABA private schools from September 2026 · checked 28 Sep 2026
Lima
Well-known private schools in Lima for 2026: 1600–4426 soles a month plus an entrance fee. The American School Roosevelt: from 1747 dollars a month.
SpecialistInfobae: cost of private schools in Lima for 2026 based on the list by Padres magazine · checked 29 Sep 2026
Healthcare
Buenos Aires
A mid-level plan costs 110–280k pesos a month per person; OSDE 210 cost 285k in September 2026. For a family, multiply.
SpecialistComparison of private health insurance (prepagas) prices, September 2026 · checked 28 Sep 2026
With residency, city hospitals are free on equal terms with Argentines. Without a DNI, elective care is paid; emergency care is for everyone.
OfficialResolución 1054/MSGC/2025 - procedure for treating patients without an Argentine DNI in city hospitals · checked 28 Sep 2026
Lima
With a foreigner's card (carné de extranjería), a family can take the public insurance SIS Independiente: 39 soles a month for one person, 115 for a family of four or more. There is also a free plan.
OfficialSIS: questions and rates of the SIS Independiente plan · checked 29 Sep 2026
Transport
Buenos Aires
The metro is 1,753 pesos per trip, a bus from 888. Fares drop from the 21st trip in a month. A family spends about 127k a month.
OfficialRed SUBE - AMBA public transport fares, in effect from 1 September 2026 · checked 28 Sep 2026
Lima
The new terminal opened on 30 May 2025: 30 million passengers in the first year, up to 40 million by 2026. The first flights were LATAM to Atlanta and Iberia from Madrid.
OfficialMTC: opening of the new terminal at Jorge Chávez airport · checked 29 Sep 2026
The Metropolitano with a feeder route across the whole city is 3.50 soles; short trips on corridor buses are 1–1.50. The second metro line is free for now.
OfficialATU: how to save money on the Metropolitano and corridor buses · checked 29 Sep 2026
Climate
Buenos Aires
The average July temperature is 11.5 degrees: about 8 at night, about 16 by day. Snow comes once in several generations, but you need heating in winter.
SpecialistClimates to Travel - climate of Buenos Aires, 1991-2020 normals · checked 28 Sep 2026
About 1,260 mm a year and 77 rainy days – there is no dry season. It rains most in summer, winter is the driest. Downpours sometimes cause flooding.
SpecialistClimates to Travel - climate of Buenos Aires, 1991-2020 normals · checked 28 Sep 2026
Lima
The coldest month is August: average minimum 14.6 degrees, maximum 18.4. July and September are almost the same; in February it is 19.4 and 26.5.
OfficialWMO, World Weather Information Service: climate normals for Lima · checked 29 Sep 2026
There is almost no rain: about 13 mm a year, and no month above 5.4 mm. In winter, instead of rain there is garúa drizzle, which wets the streets but barely shows up in millimetres.
OfficialWMO, World Weather Information Service: climate normals for Lima · checked 29 Sep 2026
In winter humidity is above 90% and reaches 99%: fog, garúa drizzle, dense cloud cover by the sea. Because of the dampness, 15 degrees feels like 13–14.
SpecialistAndina: winter 2025 in Lima, SENAMHI forecast for temperature and humidity · checked 29 Sep 2026
Safety
Buenos Aires
In 2025 there were 2.53 homicides per 100k residents – the lowest since 1995, below the national average (3.7).
OfficialBuenos Aires crime map, summary report for 2025 · checked 28 Sep 2026
Lima
In 2025, 27.6% of Lima residents aged over 15 were victims of crime. In the zone with Miraflores and San Isidro it was 21.5%, in the east with La Molina 31.3%.
OfficialINEI: Victimización en el Perú 2025, ENAPRES survey · checked 29 Sep 2026
The IGP geophysical institute expects an earthquake stronger than M8.8 near Lima with a tsunami above 8 m. The last one like that was in 1746; when the next will come is unknown.
OfficialIGP: the 1746 earthquake and the expected seismic scenario for Lima · checked 29 Sep 2026
Internet and phone
Buenos Aires
Fibre at 300 Mbps costs about 14–22k pesos a month on promotion, 500 Mbps 22–36k. The main trap: after 6–12 months the list price kicks in, and it is three to four times higher.
SpecialistMovistar Argentina - 300 Mbps fiber plan · checked 28 Sep 2026
Lima
WIN fibre in Lima: 500 Mbit/s for 99 soles a month, 850 for 119, 1000 for 139. The line is symmetric, traffic is unlimited, and the first month is cheaper.
SpecialistWIN: home fiber-optic internet plans for Lima and Callao · checked 29 Sep 2026
Services
Buenos Aires
Without subsidies, electricity, gas and water cost about 142k pesos a month in spring and up to 166k in winter. Expensas (the building fee) are not included in this amount.
SpecialistTN citing the Observatorio de Tarifas y Subsidios IIEP (UBA-CONICET) - AMBA utilities basket, September 2026 · checked 28 Sep 2026
Edesur electricity without a subsidy: 157 pesos per kWh plus 3,632 a month (category 151–400 kWh). For 300 kWh about 50.8k pesos without IVA (33 dollars).
OfficialEdesur: cuadro tarifario, ENReGE resolution 535/26, in effect from 1 September 2026 · checked 30 Sep 2026
Metrogas gas without a subsidy: 316 pesos per m³ plus a fixed charge of 4.4–53.8k a month, without taxes. 100 m³ in winter (category R2 2°) – about 47.6k pesos (31 dollars).
OfficialMetrogas: cuadros tarifarios, September 2026 (tariffs for homes without SEF subsidies, excluding taxes) · checked 30 Sep 2026
Lima
Luz del Sur from August 2026: 75.56 centimos per kWh for consumption above 140 kWh and 2.66 soles a month. For 300 kWh the bill comes to about 229 soles.
OfficialLuz del Sur: electricity tariffs including IGV, pliego of 4 August 2026 (document “Tarifas - Setiembre 2026”) · checked 29 Sep 2026
Water and sewerage: the first 10 m³ at 3.58 soles, more after that. A bill for 15 m³ is about 72 soles with IGV tax; this is a calculation based on the Sedapal tariff.
OfficialSunass: resolution 00145-2025-SUNASS-CD, Sedapal tariff structure for year 5 of the 2022-2027 period · checked 30 Sep 2026
Piped gas from Cálidda, September 2026: about 1.73 soles per m³ with tax and 1.29 soles a month. For 30 m³ it comes to about 53 soles. The network is not available everywhere.
OfficialCálidda: tariff table for piped gas in Lima and Callao, service for September 2026 (Osinergmin) · checked 30 Sep 2026

